One of the best ways to fix a scratched disc is to buy a repair kit.
You don't fix a game disc that is scratched you replace it
put some chapsticks or vaseline on it and wipe it with a SOFT CLOTH
if it isn't scratched, why would it require fixing? it could be your console that isn't functioning correctly.
Bring it to your local game store and ask if they fix scratched disks.
Blockbuster have a machine that will fix any scratched disc for £2, no matter how scratched, but it cannot be repaired if the disk is shattered or snapped and will have to be replaced.
you cannot laser technology cannot unscramble the code on the disk
Software will not fix an unreadable disc because it is scratched. PS2 game Discs are not rewriteable and can not be changed so there would be nothing for the software to fix on the disc unless it was a bootleg copy
You replace it with a new game or you purchase another used game disc
The problem is likely a scratched disc if other games play fine
take the disk out and make sure it is clean and not too badly scratched
Go to a CD shop they can do it for you. If it is too scratched you cant, if they are too deep No scratch is too deep. You can get any scratch fixed as long as your disc isn't cracked or warped. Go to CDFixers.com They will professionally refinish your disc for $2 bucks!